20398439 is an odd 8-digits composite number following 20398438
and preceding 20398440 . In scientific notation, it is written as 2.0398439 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20263200 positive integers (up to 20398439) that are relatively prime to 20398439.
20398439 has 4 divisors, whose sum is 20533680
The reverse of 20398439 is 93489302
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred ninety-eight thousand four hundred thirty-nine
Scientific notation
2.0398439 × 10^7
Engineering notation
2.0398439 × 10^6
Prime Factorization
151 × 135089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20398439
Product of the distinct prime numbers
The prime factorization of 20398439 is 151 × 135089.
Since it has a total of 2 prime factors.
1 , 2 , 41 , 13 , 899 , 79 , 5024 , 9977 , 45835 , 23091 , 9200 , 967281 , 539926 , 9128224 , 17354909 , 23055270 , 523138702 , 716814767 , 8045404745 , 1948805230
n×2
40796878
n×3
61195317
n×4
81593756
n×5
101992195
n÷2
10199219.5
n÷3
6799479.6666667
n÷3
5099609.75
n÷5
4079687.8
n2
416096313636721
n3
8.4877152718435E+21
n4
1.7313614222207E+29
n5
3.5317070358122E+36
2 √n
4516.4631073441
3 √n
273.23247204003
4 √n
67.204636055439
5 √n
28.968058364566
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20398438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398439 can be divided by 4 positive divisors.
The sum of these divisors (counting 20398439) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110100000101100111
3
Ternary
1102101100101202
4
Quaternary
1031310011213
5
Quinary
20210222224
6
Senary
2005113115
8
Octal
115640547
10
Decimal
20398439
12
Duodecimal
69b879b
16
Hexadecimal
1374167
20
Vigesimal
679g1j
36
Base36
c57jb
md5
61dcfaead543850c91a960b27f1c3341
sha1
06fb1599f0f08c8e72f42578fcbf9f25c37e918e
sha256
f659e7e5cb5e95780f86598b8f0813a4706802ab65e24699d795b0669fa31976
sha512
ed45382ed585bbe257503f5b1df2dad728b0376b8ff66d7fbb633ce4195b6d226134952917970ebdcb1378d19185d0833ab36e7b04a0a8801a54a3dfa8e86f09
ripemd-160
b9d76e9eec192c546ebf01856ae26bffd52a9a9a
Diameter
40796878
Circumference
128167172.2142
Area
1.3072051221069E+15
Volume
3.5553258591714E+22
Surface area
5.2288204884277E+15
Circumference
128167172.2142
Perimeter
81593756
Area
416096313636721
Diagonal
28847749.08504
Surface area
2496577881820326
Volume
8.4877152718435E+21
Space diagonal
35331132.743094
Perimeter
61195317
Area
1.8017498901523E+14
Altitude
17665566.371547
Surface area
1.8017498901523E+14
Volume
1.0002868375835E+21
Height
9615916.3616801